[PATCH-v2 5/5] mfd: 88pm800: Add support for clk subdevice

Vaibhav Hiremath
2015-08-24T18:59:24Z

This patch adds mfd_cell/clk-subdevice for 88PM800 MFD
(and family of devices).

Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
---
drivers/mfd/88pm800.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c
index c4e097d..a928eed 100644
--- a/drivers/mfd/88pm800.c
+++ b/drivers/mfd/88pm800.c
@@ -173,6 +173,14 @@ static const struct mfd_cell regulator_devs[] = {
},
};

+static struct mfd_cell clk_devs[] = {
+ {
+ .name = "88pm80x-clk",
+ .of_compatible = "marvell,88pm800-clk",
+ .id = -1,
+ },
+};
+
static const struct regmap_irq pm800_irqs[] = {
/* INT0 */
[PM800_IRQ_ONKEY] = {
@@ -344,6 +352,17 @@ static int device_regulator_init(struct pm80x_chip *chip)
ARRAY_SIZE(regulator_devs), NULL, 0, NULL);
}

+static int device_clk_init(struct pm80x_chip *chip)
+{
+ if (chip->type == CHIP_PM800)
+ clk_devs[0].name = "88pm800-clk";
+ else if (chip->type == CHIP_PM860)
+ clk_devs[0].name = "88pm860-clk";
+
+ return mfd_add_devices(chip->dev, 0, &clk_devs[0],
+ ARRAY_SIZE(clk_devs), NULL, 0, NULL);
+}
+
static int device_irq_init_800(struct pm80x_chip *chip)
{
struct regmap *map = chip->regmap;
@@ -511,6 +530,12 @@ static int device_800_init(struct pm80x_chip *chip)
goto out;
}

+ ret = device_clk_init(chip);
+ if (ret) {
+ dev_err(chip->dev, "Failed to add clk subdev\n");
+ goto out;
+ }
+
return 0;
out_dev:
mfd_remove_devices(chip->dev);
--
1.9.1